<?php
$arr1 = array(); // empty array

$arr2 = array(1,3,5); 	// arr2[0]=1 , arr2[1]=3 , arr2[2]=5 

$arr3 = array_fill(0, 10, 0); // 10 elements array with initial value zero. 

$arr4 = range(1, 5, 2);  // same as arr2 


?>